There are total 3 hours or 180 minutes from 7pm to 10pm. In words, this duration is equal to three hours or one hundred eighty minutes.
How many hours from
| 1PM to 12PM | 5PM to 3AM | 2AM to 12PM |
| 6AM to 9AM | 8AM to 11PM | 11AM to 3AM |
| 3PM to 6PM | 1PM to 3PM | 2PM to 7AM |
| 3PM to 1AM | 11AM to 6PM | 6PM to 1PM |
| 4AM to 6AM | 6AM to 9PM | 2AM to 1PM |
| 12AM to 10PM | 12PM to 11PM | 6AM to 2AM |
